---
title: "LoRA (Low-Rank Adaptation) — ComfyUI Glossary & Node Definition"
description: "Small 20 MB–300 MB patch weights trained to add a specific character, art style, or concept to a base checkpoint. Learn how LoRA (Low-Rank Adaptation) works inside ComfyUI node workflows on Windows."
canonical: https://comfy.ink/words/lora-low-rank-adaptation
updated: 2026-10-17
---

# LoRA (Low-Rank Adaptation)

Small 20 MB–300 MB patch weights trained to add a specific character, art style, or concept to a base checkpoint.

## Facts (2026-10-17)

- **Term:** LoRA (Low-Rank Adaptation)
- **In Short:** Small 20 MB–300 MB patch weights trained to add a specific character, art style, or concept to a base checkpoint.
- **Applies To:** ComfyUI SD 1.5, SDXL, Flux & Video

## Definition: LoRA (Low-Rank Adaptation)

Small 20 MB–300 MB patch weights trained to add a specific character, art style, or concept to a base checkpoint.

Multiple Load LoRA nodes can be chained in series in ComfyUI, each with its own model and CLIP strength multipliers.

## How to tune this in your ComfyUI workflow

Every parameter in ComfyUI is exposed directly on its node rather than hidden behind global settings tabs. You can inspect or override this behavior per pass in [ComfyUI Studio](https://comfy.ink/studio).

New to node graphs? Grab the Windows installer at [/download](https://comfy.ink/download) and open a built-in template from the workflow menu.

## FAQ

### What does LoRA (Low-Rank Adaptation) do in ComfyUI?

Small 20 MB–300 MB patch weights trained to add a specific character, art style, or concept to a base checkpoint. Multiple Load LoRA nodes can be chained in series in ComfyUI, each with its own model and CLIP strength multipliers.

### Where do I adjust this setting on the canvas?

Check the corresponding loader or [KSampler](https://comfy.ink/nodes/ksampler) widget in your active workflow graph.

## Related

- [ComfyUI Glossary](https://comfy.ink/words)
- [KSampler & KSampler (Advanced)](https://comfy.ink/nodes/ksampler)
- [ComfyUI Studio Workspace](https://comfy.ink/studio)
- [ComfyUI VRAM Requirements for SDXL, Flux & Video (6GB–24GB)](https://comfy.ink/guides/comfyui-vram-requirements-guide)
- [Latent Space & LATENT Pin](https://comfy.ink/words/latent-space)

## Download

Free desktop app: [Download Comfy](https://comfy.ink/download)

Markdown mirror: https://comfy.ink/words/lora-low-rank-adaptation.md